What is the C-band range?

According to wireless testing firm Rohde and Schwarz, the C-band is all frequencies between 4 and 8GHz . When US wireless geeks talk about C-band, though, they’re talking about 3.7 to 4.2GHz—and specifically, in this case, the range from 3.7 to 3.98GHz.

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What are C-band waves used for?

Frequencies within the C-band are near airwaves used by aircraft radar altimeters — sensitive devices that track altitude, allowing landings in foul weather and that also feed multiple critical safety systems. Some of the nation’s most powerful corporations and industries found themselves at odds.

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